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# MACaptionAppearanceBehavior

A value that indicates the preferred behavior for a preference setting.

```
enum MACaptionAppearanceBehavior
```

## Topics

### Constants

[`kMACaptionAppearanceBehaviorUseValue`](/documentation/MediaAccessibility/MACaptionAppearanceBehavior/useValue)

The preference setting should always be used.

[`kMACaptionAppearanceBehaviorUseContentIfAvailable`](/documentation/MediaAccessibility/MACaptionAppearanceBehavior/useContentIfAvailable)

The preference setting should be used unless the content media being played has its own custom value for this setting.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

---

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